<template>
	<view class="my-settle-container">
		<label class="radio" @click="changeAllState">
			<radio :checked="isFullCheck" color='#c00000'/><text>全选</text>
		</label>
		<view class="amount-box">
			合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
	</view>
</template>
<script>
	
	import { mapGetters,mapMutations,mapState} from 'vuex';
	export default {
		computed: {
		    ...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token']),
			...mapState('m_cart',['cart']),
			// 2. 是否全选
			    isFullCheck() {
			      return this.total === this.checkedCount
			    },
		  },
	  data() {
	    return {
			seconds:3,
			timer:null
		}
	  },
	  methods:{
		  ...mapMutations('m_cart',['updateAllGoodsState']),
		  changeAllState(){
			  this.updateAllGoodsState(!this.isFullCheck)
		  },
		  settlement(){
			  if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品')
			  if(!this.addstr) return uni.$showMsg('请选择收货地址')
			  if(!this.token) return this.delayNavigate()
			  this.payOrder()
		  },
		  async payOrder(){
			  const orderInfo={
				  order_price:0.01,
				  consignee_addr:this.addstr,
				  goods:this.cart.filter(x=>x.goods_state).map(x=>({goods_id:x.goods_id,goods_number:x.goods_count,goods_price:x.goods_price}))
			  
			  }
			  const {data:res}=await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
			  if(res.meta.status!==200) return uni.$showMsg('创建订单失败，请稍后重试！')
			  const orderNumber=res.message.order_number
			  
			   // 2. 订单预支付
			    // 2.1 发起请求获取订单的支付信息
			    const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber })
			    // 2.2 预付订单生成失败
			    if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！')
			    // 2.3 得到订单支付相关的必要参数
			    const payInfo = res2.message.pay
				// 3. 发起微信支付
				   // 3.1 调用 uni.requestPayment() 发起微信支付
				   const [err, succ] = await uni.requestPayment(payInfo)
				   // 3.2 未完成支付
				   if (err) return uni.$showMsg('订单未支付！')
				   // 3.3 完成了支付，进一步查询支付的结果
				   const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
				   // 3.4 检测到订单未支付
				   if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
				   // 3.5 检测到订单支付完成
				   uni.showToast({
				     title: '支付完成！',
				     icon: 'success'
				   })
		  },
		  showTips(n){
			  uni.showToast({
			  	icon:'none',
				title:'请登录后结算！'+n+'秒后自动跳转登录界面',
				mask:true,
				duration:1500
			  })
		  },
		  delayNavigate(){
			  this.seconds=3
			  this.showTips(this.seconds)
			  setInterval(()=>{
				  this.seconds--
				  if(this.seconds<=0){
					  clearInterval(this.timer)
					  uni.switchTab({
					  	url:'/pages/my/my'
					  })
					  return
				  }
				  this.showTips(this.seconds)
			  },1000)
		  }
	  }
	}
</script>
<style lang="scss">
	.my-settle-container{
		position:fixed;
		bottom: 0;
		left: 0;
		width: 100%;
		height: 50px;
		background-color: white;
		display: flex;
		justify-content: space-between;
		align-items: center;
		.radio{
			display: flex;
			align-items: center;
		}
		.amount-box{
			color: #c00000;
			.amount{
				
			}
		}
		.btn-settle{
			background-color: #c00000;
			height: 100%;
			color:white;
			line-height: 50px;
			min-width: 100px;
			padding: 0 10px;
			text-align: center;
		}
	}
</style>
